Step 1

Add milk, cottage cheese, eggs, maple syrup, cocoa powder, cornstarch, espresso powder (if using) and a big pinch of salt to a blender and blend until completely smooth.

Step 2

Pour the mixture into a saucepan and bring to a simmer over low-medium heat, stirring frequently, until thickened.

Step 3

Remove from the heat and stir in the vanilla and the butter (if using).